Identifikasi Pengaruh Aplikasi Supernatan Bebas Sel L. Lactis Atcc 11454-Ldh�…

Lactococcus lactis subsp. lactis ATCC 11454 is a strain that produces nisin, a group of antimicrobial peptides recognized by the FDA as a safe food preservative. L. lactis ATCC 11454-ldh∆nisRKox is a genetically engineered strain created by knocking out the ldh gene and overexpressing the nisRK genes in L. lactis ATCC 11454, aiming to enhance nisin production. Nisin belongs to the bacteriocin…